diff --git a/webservice/Dockerfile b/webservice/Dockerfile
index 5df5424..afbc712 100644
--- a/webservice/Dockerfile
+++ b/webservice/Dockerfile
@@ -1,6 +1,6 @@
-FROM php:7.0-apache
+FROM php:7.3-apache
 
-ENV NEXTCLOUD_VERSION 14.0.0
+ENV NEXTCLOUD_VERSION 17.0.0
 
 RUN \
     apt-get update && \
@@ -8,7 +8,7 @@ RUN \
         supervisor \
         cron \
         sudo \
-        libav-tools \
+        ffmpeg \
         libldap2-dev \
         libxml2-dev \
         libpng-dev \
@@ -17,6 +17,7 @@ RUN \
         libbz2-dev \
         icu-devtools \
         libicu-dev \
+	libzip-dev \
         libmcrypt-dev \
         libfreetype6-dev \
         libssl-dev \